Boiler Location And Clearances; Installation; Installation And Servicing Clearances; Compartments - Benchmark 27i System Compact Installation, Commissioning And Servicing Instructions

4.6

BOILER LOCATION AND CLEARANCES

4.6.1

Installation

This appliance is only suitable for installing internally within a property at
a suitable location onto a fixed, rigid surface at least the same size as the
appliance and capable of supporting the appliance weight.
No surface protection is required against heat transfer
from the appliance.
The appliance must be installed where:
• An engineer can gain clear and safe access to work on the product or
component, including making adequate provision for visual
inspection of flues in voids.
• The homeowner can gain clear and safe access to the controls,
check, top up or reset the appliance.
• Products in loft cavities must have permanent fixed lighting, a
permanent fixed retractable ladder and a fixed floor area sufficient to
allow access for normal use and servicing directly under and around
the product and between and the access hatch.

4.6.2 INSTALLATION AND SERVICING CLEARANCES

880mm
600mm**
5mm
400mm
Fig. 12 Unventilated compartment
[*] Minimum clearance to removable door
[**] Minimum clearance required for servicing
[***] Height for either 60/100 flue or 80/125 flue

4.6.3 COMPARTMENTS

Follow the requirements of BS6798 and BS5440 Part 2 and note:
• Minimum clearances must be maintained.
• An access door is required to install, service and maintain the boiler
and any ancillary equipment.
• If fitting the boiler into an airing cupboard use a non-combustible
material to separate the boiler from the airing space.
The material can be perforated up to a maximum hole size of 13mm.
Greenstar i System Compact ErP - 6 720 813 280 (2015/07)
170/210mm***
20mm*
5mm
200mm
300mm

4.6.4 BATHROOMS

Please check the IP rating of any control to be used on this appliance.
Only certain controls can be fitted when the appliance is inside of the
shaded area.
An appliance with blanking panel or controls that do not change the IP
rating can be installed in zone 2.
Additional RCD (Residual Current Device) protection may be required.
Consult the latest version of BS7671 (IET wiring regulations).
2* Without the end wall, zone 2 must extend 600mm from the bath
Radius 600mm
Fig. 13 Bathroom installations
4.7

PLUMBING MANIFOLD

4.7.1 CONNECTIONS

• If the boiler pipes are to be run behind the appliance ensure that the
pipes pass either side of the expansion vessel as shown in figure 15.
Further guidance on pipe routing can be found printed
on the boiler template (supplied with the boiler).
• For further ease of fitting, an optional Vertical Pre-piping Assembly kit
is available, comprising three pre-formed copper pipes and a cross
bonding strip. Part number: 7 716 192 712.
1 2
Fig. 14 Pipe dimensions
PRE-INSTALLATION
6720646608-124.2Wo
3 4 5
17